firefox process dies after ssh log out on remote machine

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http://askubuntu.com – i need to run firefox process on a remote host via ssh and also keep process running even after ssh logout. I already have tried these ways nohup firefox & ,screen,disown -h . but it seems these work only for the process without hardware display.because these work fine with my scripts and I can keep my scripts running even after ssh log out but I can't do the same for firefox. I am stuck with this for long. please help me out here ! (HowTos)